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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2014, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * --------------------------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * DynamicTimeSeriesCollection.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * --------------------------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2002-2014, by I. H. Thomae and Contributors.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  I. H. Thomae (ithomae@ists.dartmouth.edu);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   David Gilbert (for Object Refinery Limited);<a name="line.33"></a>
<span class="sourceLineNo">034</span> *                   Ricardo JL Rufino (patch #310);<a name="line.34"></a>
<span class="sourceLineNo">035</span> *<a name="line.35"></a>
<span class="sourceLineNo">036</span> * Changes<a name="line.36"></a>
<span class="sourceLineNo">037</span> * -------<a name="line.37"></a>
<span class="sourceLineNo">038</span> * 22-Nov-2002 : Initial version completed<a name="line.38"></a>
<span class="sourceLineNo">039</span> *    Jan 2003 : Optimized advanceTime(), added implemnt'n of RangeInfo intfc<a name="line.39"></a>
<span class="sourceLineNo">040</span> *               (using cached values for min, max, and range); also added<a name="line.40"></a>
<span class="sourceLineNo">041</span> *               getOldestIndex() and getNewestIndex() ftns so client classes<a name="line.41"></a>
<span class="sourceLineNo">042</span> *               can use this class as the master "index authority".<a name="line.42"></a>
<span class="sourceLineNo">043</span> * 22-Jan-2003 : Made this class stand on its own, rather than extending<a name="line.43"></a>
<span class="sourceLineNo">044</span> *               class FastTimeSeriesCollection<a name="line.44"></a>
<span class="sourceLineNo">045</span> * 31-Jan-2003 : Changed TimePeriod --&gt; RegularTimePeriod (DG);<a name="line.45"></a>
<span class="sourceLineNo">046</span> * 13-Mar-2003 : Moved to com.jrefinery.data.time package (DG);<a name="line.46"></a>
<span class="sourceLineNo">047</span> * 29-Apr-2003 : Added small change to appendData method, from Irv Thomae (DG);<a name="line.47"></a>
<span class="sourceLineNo">048</span> * 19-Sep-2003 : Added new appendData method, from Irv Thomae (DG);<a name="line.48"></a>
<span class="sourceLineNo">049</span> * 05-May-2004 : Now extends AbstractIntervalXYDataset.  This also required a<a name="line.49"></a>
<span class="sourceLineNo">050</span> *               change to the return type of the getY() method - I'm slightly<a name="line.50"></a>
<span class="sourceLineNo">051</span> *               unsure of the implications of this, so it might require some<a name="line.51"></a>
<span class="sourceLineNo">052</span> *               further amendment (DG);<a name="line.52"></a>
<span class="sourceLineNo">053</span> * 15-Jul-2004 : Switched getX() with getXValue() and getY() with<a name="line.53"></a>
<span class="sourceLineNo">054</span> *               getYValue() (DG);<a name="line.54"></a>
<span class="sourceLineNo">055</span> * 11-Jan-2004 : Removed deprecated code in preparation for the 1.0.0<a name="line.55"></a>
<span class="sourceLineNo">056</span> *               release (DG);<a name="line.56"></a>
<span class="sourceLineNo">057</span> * 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG);<a name="line.57"></a>
<span class="sourceLineNo">058</span> * 01-Jul-2014 : Add millisecond time period - see patch #310 by Ricardo JL<a name="line.58"></a>
<span class="sourceLineNo">059</span> *               Rufino (DG);<a name="line.59"></a>
<span class="sourceLineNo">060</span> *<a name="line.60"></a>
<span class="sourceLineNo">061</span> */<a name="line.61"></a>
<span class="sourceLineNo">062</span><a name="line.62"></a>
<span class="sourceLineNo">063</span>package org.jfree.data.time;<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span>import java.util.Calendar;<a name="line.65"></a>
<span class="sourceLineNo">066</span>import java.util.TimeZone;<a name="line.66"></a>
<span class="sourceLineNo">067</span><a name="line.67"></a>
<span class="sourceLineNo">068</span>import org.jfree.data.DomainInfo;<a name="line.68"></a>
<span class="sourceLineNo">069</span>import org.jfree.data.Range;<a name="line.69"></a>
<span class="sourceLineNo">070</span>import org.jfree.data.RangeInfo;<a name="line.70"></a>
<span class="sourceLineNo">071</span>import org.jfree.data.general.SeriesChangeEvent;<a name="line.71"></a>
<span class="sourceLineNo">072</span>import org.jfree.data.xy.AbstractIntervalXYDataset;<a name="line.72"></a>
<span class="sourceLineNo">073</span>import org.jfree.data.xy.IntervalXYDataset;<a name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>
<span class="sourceLineNo">075</span>/**<a name="line.75"></a>
<span class="sourceLineNo">076</span> * A dynamic dataset.<a name="line.76"></a>
<span class="sourceLineNo">077</span> * &lt;p&gt;<a name="line.77"></a>
<span class="sourceLineNo">078</span> * Like FastTimeSeriesCollection, this class is a functional replacement<a name="line.78"></a>
<span class="sourceLineNo">079</span> * for JFreeChart's TimeSeriesCollection _and_ TimeSeries classes.<a name="line.79"></a>
<span class="sourceLineNo">080</span> * FastTimeSeriesCollection is appropriate for a fixed time range; for<a name="line.80"></a>
<span class="sourceLineNo">081</span> * real-time applications this subclass adds the ability to append new<a name="line.81"></a>
<span class="sourceLineNo">082</span> * data and discard the oldest.<a name="line.82"></a>
<span class="sourceLineNo">083</span> * In this class, the arrays used in FastTimeSeriesCollection become FIFO's.<a name="line.83"></a>
<span class="sourceLineNo">084</span> * NOTE:As presented here, all data is assumed &amp;gt;= 0, an assumption which is<a name="line.84"></a>
<span class="sourceLineNo">085</span> * embodied only in methods associated with interface RangeInfo.<a name="line.85"></a>
<span class="sourceLineNo">086</span> */<a name="line.86"></a>
<span class="sourceLineNo">087</span>public class DynamicTimeSeriesCollection extends AbstractIntervalXYDataset<a name="line.87"></a>
<span class="sourceLineNo">088</span>        implements IntervalXYDataset, DomainInfo, RangeInfo {<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span>    /**<a name="line.90"></a>
<span class="sourceLineNo">091</span>     * Useful constant for controlling the x-value returned for a time<a name="line.91"></a>
<span class="sourceLineNo">092</span>     * period.<a name="line.92"></a>
<span class="sourceLineNo">093</span>     */<a name="line.93"></a>
<span class="sourceLineNo">094</span>    public static final int START = 0;<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
<span class="sourceLineNo">096</span>    /**<a name="line.96"></a>
<span class="sourceLineNo">097</span>     * Useful constant for controlling the x-value returned for a time period.<a name="line.97"></a>
<span class="sourceLineNo">098</span>     */<a name="line.98"></a>
<span class="sourceLineNo">099</span>    public static final int MIDDLE = 1;<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span>    /**<a name="line.101"></a>
<span class="sourceLineNo">102</span>     * Useful constant for controlling the x-value returned for a time period.<a name="line.102"></a>
<span class="sourceLineNo">103</span>     */<a name="line.103"></a>
<span class="sourceLineNo">104</span>    public static final int END = 2;<a name="line.104"></a>
<span class="sourceLineNo">105</span><a name="line.105"></a>
<span class="sourceLineNo">106</span>    /** The maximum number of items for each series (can be overridden). */<a name="line.106"></a>
<span class="sourceLineNo">107</span>    private int maximumItemCount = 2000;  // an arbitrary safe default value<a name="line.107"></a>
<span class="sourceLineNo">108</span><a name="line.108"></a>
<span class="sourceLineNo">109</span>    /** The history count. */<a name="line.109"></a>
<span class="sourceLineNo">110</span>    protected int historyCount;<a name="line.110"></a>
<span class="sourceLineNo">111</span><a name="line.111"></a>
<span class="sourceLineNo">112</span>    /** Storage for the series keys. */<a name="line.112"></a>
<span class="sourceLineNo">113</span>    private Comparable[] seriesKeys;<a name="line.113"></a>
<span class="sourceLineNo">114</span><a name="line.114"></a>
<span class="sourceLineNo">115</span>    /** The time period class - barely used, and could be removed (DG). */<a name="line.115"></a>
<span class="sourceLineNo">116</span>    private Class timePeriodClass = Minute.class;   // default value;<a name="line.116"></a>
<span class="sourceLineNo">117</span><a name="line.117"></a>
<span class="sourceLineNo">118</span>    /** Storage for the x-values. */<a name="line.118"></a>
<span class="sourceLineNo">119</span>    protected RegularTimePeriod[] pointsInTime;<a name="line.119"></a>
<span class="sourceLineNo">120</span><a name="line.120"></a>
<span class="sourceLineNo">121</span>    /** The number of series. */<a name="line.121"></a>
<span class="sourceLineNo">122</span>    private int seriesCount;<a name="line.122"></a>
<span class="sourceLineNo">123</span><a name="line.123"></a>
<span class="sourceLineNo">124</span>    /**<a name="line.124"></a>
<span class="sourceLineNo">125</span>     * A wrapper for a fixed array of float values.<a name="line.125"></a>
<span class="sourceLineNo">126</span>     */<a name="line.126"></a>
<span class="sourceLineNo">127</span>    protected class ValueSequence {<a name="line.127"></a>
<span class="sourceLineNo">128</span><a name="line.128"></a>
<span class="sourceLineNo">129</span>        /** Storage for the float values. */<a name="line.129"></a>
<span class="sourceLineNo">130</span>        float[] dataPoints;<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span>        /**<a name="line.132"></a>
<span class="sourceLineNo">133</span>         * Default constructor:<a name="line.133"></a>
<span class="sourceLineNo">134</span>         */<a name="line.134"></a>
<span class="sourceLineNo">135</span>        public ValueSequence() {<a name="line.135"></a>
<span class="sourceLineNo">136</span>            this(DynamicTimeSeriesCollection.this.maximumItemCount);<a name="line.136"></a>
<span class="sourceLineNo">137</span>        }<a name="line.137"></a>
<span class="sourceLineNo">138</span><a name="line.138"></a>
<span class="sourceLineNo">139</span>        /**<a name="line.139"></a>
<span class="sourceLineNo">140</span>         * Creates a sequence with the specified length.<a name="line.140"></a>
<span class="sourceLineNo">141</span>         *<a name="line.141"></a>
<span class="sourceLineNo">142</span>         * @param length  the length.<a name="line.142"></a>
<span class="sourceLineNo">143</span>         */<a name="line.143"></a>
<span class="sourceLineNo">144</span>        public ValueSequence(int length) {<a name="line.144"></a>
<span class="sourceLineNo">145</span>            this.dataPoints = new float[length];<a name="line.145"></a>
<span class="sourceLineNo">146</span>            for (int i = 0; i &lt; length; i++) {<a name="line.146"></a>
<span class="sourceLineNo">147</span>                this.dataPoints[i] = 0.0f;<a name="line.147"></a>
<span class="sourceLineNo">148</span>            }<a name="line.148"></a>
<span class="sourceLineNo">149</span>        }<a name="line.149"></a>
<span class="sourceLineNo">150</span><a name="line.150"></a>
<span class="sourceLineNo">151</span>        /**<a name="line.151"></a>
<span class="sourceLineNo">152</span>         * Enters data into the storage array.<a name="line.152"></a>
<span class="sourceLineNo">153</span>         *<a name="line.153"></a>
<span class="sourceLineNo">154</span>         * @param index  the index.<a name="line.154"></a>
<span class="sourceLineNo">155</span>         * @param value  the value.<a name="line.155"></a>
<span class="sourceLineNo">156</span>         */<a name="line.156"></a>
<span class="sourceLineNo">157</span>        public void enterData(int index, float value) {<a name="line.157"></a>
<span class="sourceLineNo">158</span>            this.dataPoints[index] = value;<a name="line.158"></a>
<span class="sourceLineNo">159</span>        }<a name="line.159"></a>
<span class="sourceLineNo">160</span><a name="line.160"></a>
<span class="sourceLineNo">161</span>        /**<a name="line.161"></a>
<span class="sourceLineNo">162</span>         * Returns a value from the storage array.<a name="line.162"></a>
<span class="sourceLineNo">163</span>         *<a name="line.163"></a>
<span class="sourceLineNo">164</span>         * @param index  the index.<a name="line.164"></a>
<span class="sourceLineNo">165</span>         *<a name="line.165"></a>
<span class="sourceLineNo">166</span>         * @return The value.<a name="line.166"></a>
<span class="sourceLineNo">167</span>         */<a name="line.167"></a>
<span class="sourceLineNo">168</span>        public float getData(int index) {<a name="line.168"></a>
<span class="sourceLineNo">169</span>            return this.dataPoints[index];<a name="line.169"></a>
<span class="sourceLineNo">170</span>        }<a name="line.170"></a>
<span class="sourceLineNo">171</span>    }<a name="line.171"></a>
<span class="sourceLineNo">172</span><a name="line.172"></a>
<span class="sourceLineNo">173</span>    /** An array for storing the objects that represent each series. */<a name="line.173"></a>
<span class="sourceLineNo">174</span>    protected ValueSequence[] valueHistory;<a name="line.174"></a>
<span class="sourceLineNo">175</span><a name="line.175"></a>
<span class="sourceLineNo">176</span>    /** A working calendar (to recycle) */<a name="line.176"></a>
<span class="sourceLineNo">177</span>    protected Calendar workingCalendar;<a name="line.177"></a>
<span class="sourceLineNo">178</span><a name="line.178"></a>
<span class="sourceLineNo">179</span>    /**<a name="line.179"></a>
<span class="sourceLineNo">180</span>     * The position within a time period to return as the x-value (START,<a name="line.180"></a>
<span class="sourceLineNo">181</span>     * MIDDLE or END).<a name="line.181"></a>
<span class="sourceLineNo">182</span>     */<a name="line.182"></a>
<span class="sourceLineNo">183</span>    private int position;<a name="line.183"></a>
<span class="sourceLineNo">184</span><a name="line.184"></a>
<span class="sourceLineNo">185</span>    /**<a name="line.185"></a>
<span class="sourceLineNo">186</span>     * A flag that indicates that the domain is 'points in time'.  If this flag<a name="line.186"></a>
<span class="sourceLineNo">187</span>     * is true, only the x-value is used to determine the range of values in<a name="line.187"></a>
<span class="sourceLineNo">188</span>     * the domain, the start and end x-values are ignored.<a name="line.188"></a>
<span class="sourceLineNo">189</span>     */<a name="line.189"></a>
<span class="sourceLineNo">190</span>    private boolean domainIsPointsInTime;<a name="line.190"></a>
<span class="sourceLineNo">191</span><a name="line.191"></a>
<span class="sourceLineNo">192</span>    /** index for mapping: points to the oldest valid time and data. */<a name="line.192"></a>
<span class="sourceLineNo">193</span>    private int oldestAt;  // as a class variable, initializes == 0<a name="line.193"></a>
<span class="sourceLineNo">194</span><a name="line.194"></a>
<span class="sourceLineNo">195</span>    /** Index of the newest data item. */<a name="line.195"></a>
<span class="sourceLineNo">196</span>    private int newestAt;<a name="line.196"></a>
<span class="sourceLineNo">197</span><a name="line.197"></a>
<span class="sourceLineNo">198</span>    // cached values used for interface DomainInfo:<a name="line.198"></a>
<span class="sourceLineNo">199</span><a name="line.199"></a>
<span class="sourceLineNo">200</span>    /** the # of msec by which time advances. */<a name="line.200"></a>
<span class="sourceLineNo">201</span>    private long deltaTime;<a name="line.201"></a>
<span class="sourceLineNo">202</span><a name="line.202"></a>
<span class="sourceLineNo">203</span>    /** Cached domain start (for use by DomainInfo). */<a name="line.203"></a>
<span class="sourceLineNo">204</span>    private Long domainStart;<a name="line.204"></a>
<span class="sourceLineNo">205</span><a name="line.205"></a>
<span class="sourceLineNo">206</span>    /** Cached domain end (for use by DomainInfo). */<a name="line.206"></a>
<span class="sourceLineNo">207</span>    private Long domainEnd;<a name="line.207"></a>
<span class="sourceLineNo">208</span><a name="line.208"></a>
<span class="sourceLineNo">209</span>    /** Cached domain range (for use by DomainInfo). */<a name="line.209"></a>
<span class="sourceLineNo">210</span>    private Range domainRange;<a name="line.210"></a>
<span class="sourceLineNo">211</span><a name="line.211"></a>
<span class="sourceLineNo">212</span>    // Cached values used for interface RangeInfo: (note minValue pinned at 0)<a name="line.212"></a>
<span class="sourceLineNo">213</span>    //   A single set of extrema covers the entire SeriesCollection<a name="line.213"></a>
<span class="sourceLineNo">214</span><a name="line.214"></a>
<span class="sourceLineNo">215</span>    /** The minimum value. */<a name="line.215"></a>
<span class="sourceLineNo">216</span>    private Float minValue = new Float(0.0f);<a name="line.216"></a>
<span class="sourceLineNo">217</span><a name="line.217"></a>
<span class="sourceLineNo">218</span>    /** The maximum value. */<a name="line.218"></a>
<span class="sourceLineNo">219</span>    private Float maxValue = null;<a name="line.219"></a>
<span class="sourceLineNo">220</span><a name="line.220"></a>
<span class="sourceLineNo">221</span>    /** The value range. */<a name="line.221"></a>
<span class="sourceLineNo">222</span>    private Range valueRange;  // autoinit's to null.<a name="line.222"></a>
<span class="sourceLineNo">223</span><a name="line.223"></a>
<span class="sourceLineNo">224</span>    /**<a name="line.224"></a>
<span class="sourceLineNo">225</span>     * Constructs a dataset with capacity for N series, tied to default<a name="line.225"></a>
<span class="sourceLineNo">226</span>     * timezone.<a name="line.226"></a>
<span class="sourceLineNo">227</span>     *<a name="line.227"></a>
<span class="sourceLineNo">228</span>     * @param nSeries the number of series to be accommodated.<a name="line.228"></a>
<span class="sourceLineNo">229</span>     * @param nMoments the number of TimePeriods to be spanned.<a name="line.229"></a>
<span class="sourceLineNo">230</span>     */<a name="line.230"></a>
<span class="sourceLineNo">231</span>    public DynamicTimeSeriesCollection(int nSeries, int nMoments) {<a name="line.231"></a>
<span class="sourceLineNo">232</span>        this(nSeries, nMoments, new Millisecond(), TimeZone.getDefault());<a name="line.232"></a>
<span class="sourceLineNo">233</span>        this.newestAt = nMoments - 1;<a name="line.233"></a>
<span class="sourceLineNo">234</span>    }<a name="line.234"></a>
<span class="sourceLineNo">235</span><a name="line.235"></a>
<span class="sourceLineNo">236</span>    /**<a name="line.236"></a>
<span class="sourceLineNo">237</span>     * Constructs an empty dataset, tied to a specific timezone.<a name="line.237"></a>
<span class="sourceLineNo">238</span>     *<a name="line.238"></a>
<span class="sourceLineNo">239</span>     * @param nSeries the number of series to be accommodated<a name="line.239"></a>
<span class="sourceLineNo">240</span>     * @param nMoments the number of TimePeriods to be spanned<a name="line.240"></a>
<span class="sourceLineNo">241</span>     * @param zone the timezone.<a name="line.241"></a>
<span class="sourceLineNo">242</span>     */<a name="line.242"></a>
<span class="sourceLineNo">243</span>    public DynamicTimeSeriesCollection(int nSeries, int nMoments,<a name="line.243"></a>
<span class="sourceLineNo">244</span>            TimeZone zone) {<a name="line.244"></a>
<span class="sourceLineNo">245</span>        this(nSeries, nMoments, new Millisecond(), zone);<a name="line.245"></a>
<span class="sourceLineNo">246</span>        this.newestAt = nMoments - 1;<a name="line.246"></a>
<span class="sourceLineNo">247</span>    }<a name="line.247"></a>
<span class="sourceLineNo">248</span><a name="line.248"></a>
<span class="sourceLineNo">249</span>    /**<a name="line.249"></a>
<span class="sourceLineNo">250</span>     * Creates a new dataset.<a name="line.250"></a>
<span class="sourceLineNo">251</span>     *<a name="line.251"></a>
<span class="sourceLineNo">252</span>     * @param nSeries  the number of series.<a name="line.252"></a>
<span class="sourceLineNo">253</span>     * @param nMoments  the number of items per series.<a name="line.253"></a>
<span class="sourceLineNo">254</span>     * @param timeSample  a time period sample.<a name="line.254"></a>
<span class="sourceLineNo">255</span>     */<a name="line.255"></a>
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<span class="sourceLineNo">260</span><a name="line.260"></a>
<span class="sourceLineNo">261</span>    /**<a name="line.261"></a>
<span class="sourceLineNo">262</span>     * Creates a new dataset.<a name="line.262"></a>
<span class="sourceLineNo">263</span>     *<a name="line.263"></a>
<span class="sourceLineNo">264</span>     * @param nSeries  the number of series.<a name="line.264"></a>
<span class="sourceLineNo">265</span>     * @param nMoments  the number of items per series.<a name="line.265"></a>
<span class="sourceLineNo">266</span>     * @param timeSample  a time period sample.<a name="line.266"></a>
<span class="sourceLineNo">267</span>     * @param zone  the time zone.<a name="line.267"></a>
<span class="sourceLineNo">268</span>     */<a name="line.268"></a>
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<span class="sourceLineNo">271</span><a name="line.271"></a>
<span class="sourceLineNo">272</span>        // the first initialization must precede creation of the ValueSet array:<a name="line.272"></a>
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<span class="sourceLineNo">274</span>        this.historyCount = nMoments;<a name="line.274"></a>
<span class="sourceLineNo">275</span>        this.seriesKeys = new Comparable[nSeries];<a name="line.275"></a>
<span class="sourceLineNo">276</span>        // initialize the members of "seriesNames" array so they won't be null:<a name="line.276"></a>
<span class="sourceLineNo">277</span>        for (int i = 0; i &lt; nSeries; i++) {<a name="line.277"></a>
<span class="sourceLineNo">278</span>            this.seriesKeys[i] = "";<a name="line.278"></a>
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<span class="sourceLineNo">280</span>        this.newestAt = nMoments - 1;<a name="line.280"></a>
<span class="sourceLineNo">281</span>        this.valueHistory = new ValueSequence[nSeries];<a name="line.281"></a>
<span class="sourceLineNo">282</span>        this.timePeriodClass = timeSample.getClass();<a name="line.282"></a>
<span class="sourceLineNo">283</span><a name="line.283"></a>
<span class="sourceLineNo">284</span>        /// Expand the following for all defined TimePeriods:<a name="line.284"></a>
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<span class="sourceLineNo">287</span>        } else if (this.timePeriodClass == Second.class) {<a name="line.287"></a>
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<span class="sourceLineNo">291</span>        } else if (this.timePeriodClass == Hour.class) {<a name="line.291"></a>
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<span class="sourceLineNo">293</span>        }<a name="line.293"></a>
<span class="sourceLineNo">294</span>        ///  .. etc....<a name="line.294"></a>
<span class="sourceLineNo">295</span>        this.workingCalendar = Calendar.getInstance(zone);<a name="line.295"></a>
<span class="sourceLineNo">296</span>        this.position = START;<a name="line.296"></a>
<span class="sourceLineNo">297</span>        this.domainIsPointsInTime = true;<a name="line.297"></a>
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<span class="sourceLineNo">299</span><a name="line.299"></a>
<span class="sourceLineNo">300</span>    /**<a name="line.300"></a>
<span class="sourceLineNo">301</span>     * Fill the pointsInTime with times using TimePeriod.next():<a name="line.301"></a>
<span class="sourceLineNo">302</span>     * Will silently return if the time array was already populated.<a name="line.302"></a>
<span class="sourceLineNo">303</span>     *<a name="line.303"></a>
<span class="sourceLineNo">304</span>     * Also computes the data cached for later use by<a name="line.304"></a>
<span class="sourceLineNo">305</span>     * methods implementing the DomainInfo interface:<a name="line.305"></a>
<span class="sourceLineNo">306</span>     *<a name="line.306"></a>
<span class="sourceLineNo">307</span>     * @param start  the start.<a name="line.307"></a>
<span class="sourceLineNo">308</span>     *<a name="line.308"></a>
<span class="sourceLineNo">309</span>     * @return ??.<a name="line.309"></a>
<span class="sourceLineNo">310</span>     */<a name="line.310"></a>
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<span class="sourceLineNo">314</span>            for (int i = 1; i &lt; this.historyCount; i++) {<a name="line.314"></a>
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<span class="sourceLineNo">316</span>            }<a name="line.316"></a>
<span class="sourceLineNo">317</span>        }<a name="line.317"></a>
<span class="sourceLineNo">318</span>        long oldestL = this.pointsInTime[0].getFirstMillisecond(<a name="line.318"></a>
<span class="sourceLineNo">319</span>                this.workingCalendar);<a name="line.319"></a>
<span class="sourceLineNo">320</span>        long nextL = this.pointsInTime[1].getFirstMillisecond(<a name="line.320"></a>
<span class="sourceLineNo">321</span>                this.workingCalendar);<a name="line.321"></a>
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<span class="sourceLineNo">323</span>        this.oldestAt = 0;<a name="line.323"></a>
<span class="sourceLineNo">324</span>        this.newestAt = this.historyCount - 1;<a name="line.324"></a>
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<span class="sourceLineNo">328</span><a name="line.328"></a>
<span class="sourceLineNo">329</span>    /**<a name="line.329"></a>
<span class="sourceLineNo">330</span>     * Finds the domain limits.  Note: this doesn't need to be synchronized<a name="line.330"></a>
<span class="sourceLineNo">331</span>     * because it's called from within another method that already is.<a name="line.331"></a>
<span class="sourceLineNo">332</span>     */<a name="line.332"></a>
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<span class="sourceLineNo">335</span>        long endL;<a name="line.335"></a>
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<span class="sourceLineNo">342</span>        this.domainStart = new Long(startL);<a name="line.342"></a>
<span class="sourceLineNo">343</span>        this.domainEnd = new Long(endL);<a name="line.343"></a>
<span class="sourceLineNo">344</span>        this.domainRange = new Range(startL, endL);<a name="line.344"></a>
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<span class="sourceLineNo">346</span><a name="line.346"></a>
<span class="sourceLineNo">347</span>    /**<a name="line.347"></a>
<span class="sourceLineNo">348</span>     * Returns the x position type (START, MIDDLE or END).<a name="line.348"></a>
<span class="sourceLineNo">349</span>     *<a name="line.349"></a>
<span class="sourceLineNo">350</span>     * @return The x position type.<a name="line.350"></a>
<span class="sourceLineNo">351</span>     */<a name="line.351"></a>
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<span class="sourceLineNo">354</span>    }<a name="line.354"></a>
<span class="sourceLineNo">355</span><a name="line.355"></a>
<span class="sourceLineNo">356</span>    /**<a name="line.356"></a>
<span class="sourceLineNo">357</span>     * Sets the x position type (START, MIDDLE or END).<a name="line.357"></a>
<span class="sourceLineNo">358</span>     *<a name="line.358"></a>
<span class="sourceLineNo">359</span>     * @param position The x position type.<a name="line.359"></a>
<span class="sourceLineNo">360</span>     */<a name="line.360"></a>
<span class="sourceLineNo">361</span>    public void setPosition(int position) {<a name="line.361"></a>
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<span class="sourceLineNo">364</span><a name="line.364"></a>
<span class="sourceLineNo">365</span>    /**<a name="line.365"></a>
<span class="sourceLineNo">366</span>     * Adds a series to the dataset.  Only the y-values are supplied, the<a name="line.366"></a>
<span class="sourceLineNo">367</span>     * x-values are specified elsewhere.<a name="line.367"></a>
<span class="sourceLineNo">368</span>     *<a name="line.368"></a>
<span class="sourceLineNo">369</span>     * @param values  the y-values.<a name="line.369"></a>
<span class="sourceLineNo">370</span>     * @param seriesNumber  the series index (zero-based).<a name="line.370"></a>
<span class="sourceLineNo">371</span>     * @param seriesKey  the series key.<a name="line.371"></a>
<span class="sourceLineNo">372</span>     *<a name="line.372"></a>
<span class="sourceLineNo">373</span>     * Use this as-is during setup only, or add the synchronized keyword around<a name="line.373"></a>
<span class="sourceLineNo">374</span>     * the copy loop.<a name="line.374"></a>
<span class="sourceLineNo">375</span>     */<a name="line.375"></a>
<span class="sourceLineNo">376</span>    public void addSeries(float[] values, int seriesNumber, <a name="line.376"></a>
<span class="sourceLineNo">377</span>            Comparable seriesKey) {<a name="line.377"></a>
<span class="sourceLineNo">378</span><a name="line.378"></a>
<span class="sourceLineNo">379</span>        invalidateRangeInfo();<a name="line.379"></a>
<span class="sourceLineNo">380</span>        int i;<a name="line.380"></a>
<span class="sourceLineNo">381</span>        if (values == null) {<a name="line.381"></a>
<span class="sourceLineNo">382</span>            throw new IllegalArgumentException("TimeSeriesDataset.addSeries(): "<a name="line.382"></a>
<span class="sourceLineNo">383</span>                + "cannot add null array of values.");<a name="line.383"></a>
<span class="sourceLineNo">384</span>        }<a name="line.384"></a>
<span class="sourceLineNo">385</span>        if (seriesNumber &gt;= this.valueHistory.length) {<a name="line.385"></a>
<span class="sourceLineNo">386</span>            throw new IllegalArgumentException("TimeSeriesDataset.addSeries(): "<a name="line.386"></a>
<span class="sourceLineNo">387</span>                + "cannot add more series than specified in c'tor");<a name="line.387"></a>
<span class="sourceLineNo">388</span>        }<a name="line.388"></a>
<span class="sourceLineNo">389</span>        if (this.valueHistory[seriesNumber] == null) {<a name="line.389"></a>
<span class="sourceLineNo">390</span>            this.valueHistory[seriesNumber]<a name="line.390"></a>
<span class="sourceLineNo">391</span>                = new ValueSequence(this.historyCount);<a name="line.391"></a>
<span class="sourceLineNo">392</span>            this.seriesCount++;<a name="line.392"></a>
<span class="sourceLineNo">393</span>        }<a name="line.393"></a>
<span class="sourceLineNo">394</span>        // But if that series array already exists, just overwrite its contents<a name="line.394"></a>
<span class="sourceLineNo">395</span><a name="line.395"></a>
<span class="sourceLineNo">396</span>        // Avoid IndexOutOfBoundsException:<a name="line.396"></a>
<span class="sourceLineNo">397</span>        int srcLength = values.length;<a name="line.397"></a>
<span class="sourceLineNo">398</span>        int copyLength = this.historyCount;<a name="line.398"></a>
<span class="sourceLineNo">399</span>        boolean fillNeeded = false;<a name="line.399"></a>
<span class="sourceLineNo">400</span>        if (srcLength &lt; this.historyCount) {<a name="line.400"></a>
<span class="sourceLineNo">401</span>            fillNeeded = true;<a name="line.401"></a>
<span class="sourceLineNo">402</span>            copyLength = srcLength;<a name="line.402"></a>
<span class="sourceLineNo">403</span>        }<a name="line.403"></a>
<span class="sourceLineNo">404</span>        //{<a name="line.404"></a>
<span class="sourceLineNo">405</span>        for (i = 0; i &lt; copyLength; i++) { // deep copy from values[], caller<a name="line.405"></a>
<span class="sourceLineNo">406</span>                                           // can safely discard that array<a name="line.406"></a>
<span class="sourceLineNo">407</span>            this.valueHistory[seriesNumber].enterData(i, values[i]);<a name="line.407"></a>
<span class="sourceLineNo">408</span>        }<a name="line.408"></a>
<span class="sourceLineNo">409</span>        if (fillNeeded) {<a name="line.409"></a>
<span class="sourceLineNo">410</span>            for (i = copyLength; i &lt; this.historyCount; i++) {<a name="line.410"></a>
<span class="sourceLineNo">411</span>                this.valueHistory[seriesNumber].enterData(i, 0.0f);<a name="line.411"></a>
<span class="sourceLineNo">412</span>            }<a name="line.412"></a>
<span class="sourceLineNo">413</span>        }<a name="line.413"></a>
<span class="sourceLineNo">414</span>      //}<a name="line.414"></a>
<span class="sourceLineNo">415</span>        if (seriesKey != null) {<a name="line.415"></a>
<span class="sourceLineNo">416</span>            this.seriesKeys[seriesNumber] = seriesKey;<a name="line.416"></a>
<span class="sourceLineNo">417</span>        }<a name="line.417"></a>
<span class="sourceLineNo">418</span>        fireSeriesChanged();<a name="line.418"></a>
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<span class="sourceLineNo">420</span><a name="line.420"></a>
<span class="sourceLineNo">421</span>    /**<a name="line.421"></a>
<span class="sourceLineNo">422</span>     * Sets the name of a series.  If planning to add values individually.<a name="line.422"></a>
<span class="sourceLineNo">423</span>     *<a name="line.423"></a>
<span class="sourceLineNo">424</span>     * @param seriesNumber  the series.<a name="line.424"></a>
<span class="sourceLineNo">425</span>     * @param key  the new key.<a name="line.425"></a>
<span class="sourceLineNo">426</span>     */<a name="line.426"></a>
<span class="sourceLineNo">427</span>    public void setSeriesKey(int seriesNumber, Comparable key) {<a name="line.427"></a>
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<span class="sourceLineNo">430</span><a name="line.430"></a>
<span class="sourceLineNo">431</span>    /**<a name="line.431"></a>
<span class="sourceLineNo">432</span>     * Adds a value to a series.<a name="line.432"></a>
<span class="sourceLineNo">433</span>     *<a name="line.433"></a>
<span class="sourceLineNo">434</span>     * @param seriesNumber  the series index.<a name="line.434"></a>
<span class="sourceLineNo">435</span>     * @param index  ??.<a name="line.435"></a>
<span class="sourceLineNo">436</span>     * @param value  the value.<a name="line.436"></a>
<span class="sourceLineNo">437</span>     */<a name="line.437"></a>
<span class="sourceLineNo">438</span>    public void addValue(int seriesNumber, int index, float value) {<a name="line.438"></a>
<span class="sourceLineNo">439</span>        invalidateRangeInfo();<a name="line.439"></a>
<span class="sourceLineNo">440</span>        if (seriesNumber &gt;= this.valueHistory.length) {<a name="line.440"></a>
<span class="sourceLineNo">441</span>            throw new IllegalArgumentException(<a name="line.441"></a>
<span class="sourceLineNo">442</span>                "TimeSeriesDataset.addValue(): series #"<a name="line.442"></a>
<span class="sourceLineNo">443</span>                + seriesNumber + "unspecified in c'tor"<a name="line.443"></a>
<span class="sourceLineNo">444</span>            );<a name="line.444"></a>
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<span class="sourceLineNo">446</span>        if (this.valueHistory[seriesNumber] == null) {<a name="line.446"></a>
<span class="sourceLineNo">447</span>            this.valueHistory[seriesNumber]<a name="line.447"></a>
<span class="sourceLineNo">448</span>                = new ValueSequence(this.historyCount);<a name="line.448"></a>
<span class="sourceLineNo">449</span>            this.seriesCount++;<a name="line.449"></a>
<span class="sourceLineNo">450</span>        }<a name="line.450"></a>
<span class="sourceLineNo">451</span>        // But if that series array already exists, just overwrite its contents<a name="line.451"></a>
<span class="sourceLineNo">452</span>        //synchronized(this)<a name="line.452"></a>
<span class="sourceLineNo">453</span>        //{<a name="line.453"></a>
<span class="sourceLineNo">454</span>            this.valueHistory[seriesNumber].enterData(index, value);<a name="line.454"></a>
<span class="sourceLineNo">455</span>        //}<a name="line.455"></a>
<span class="sourceLineNo">456</span>        fireSeriesChanged();<a name="line.456"></a>
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<span class="sourceLineNo">458</span><a name="line.458"></a>
<span class="sourceLineNo">459</span>    /**<a name="line.459"></a>
<span class="sourceLineNo">460</span>     * Returns the number of series in the collection.<a name="line.460"></a>
<span class="sourceLineNo">461</span>     *<a name="line.461"></a>
<span class="sourceLineNo">462</span>     * @return The series count.<a name="line.462"></a>
<span class="sourceLineNo">463</span>     */<a name="line.463"></a>
<span class="sourceLineNo">464</span>    @Override<a name="line.464"></a>
<span class="sourceLineNo">465</span>    public int getSeriesCount() {<a name="line.465"></a>
<span class="sourceLineNo">466</span>        return this.seriesCount;<a name="line.466"></a>
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<span class="sourceLineNo">468</span><a name="line.468"></a>
<span class="sourceLineNo">469</span>    /**<a name="line.469"></a>
<span class="sourceLineNo">470</span>     * Returns the number of items in a series.<a name="line.470"></a>
<span class="sourceLineNo">471</span>     * &lt;p&gt;<a name="line.471"></a>
<span class="sourceLineNo">472</span>     * For this implementation, all series have the same number of items.<a name="line.472"></a>
<span class="sourceLineNo">473</span>     *<a name="line.473"></a>
<span class="sourceLineNo">474</span>     * @param series  the series index (zero-based).<a name="line.474"></a>
<span class="sourceLineNo">475</span>     *<a name="line.475"></a>
<span class="sourceLineNo">476</span>     * @return The item count.<a name="line.476"></a>
<span class="sourceLineNo">477</span>     */<a name="line.477"></a>
<span class="sourceLineNo">478</span>    @Override<a name="line.478"></a>
<span class="sourceLineNo">479</span>    public int getItemCount(int series) {  // all arrays equal length,<a name="line.479"></a>
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<span class="sourceLineNo">483</span><a name="line.483"></a>
<span class="sourceLineNo">484</span>    // Methods for managing the FIFO's:<a name="line.484"></a>
<span class="sourceLineNo">485</span><a name="line.485"></a>
<span class="sourceLineNo">486</span>    /**<a name="line.486"></a>
<span class="sourceLineNo">487</span>     * Re-map an index, for use in retrieving data.<a name="line.487"></a>
<span class="sourceLineNo">488</span>     *<a name="line.488"></a>
<span class="sourceLineNo">489</span>     * @param toFetch  the index.<a name="line.489"></a>
<span class="sourceLineNo">490</span>     *<a name="line.490"></a>
<span class="sourceLineNo">491</span>     * @return The translated index.<a name="line.491"></a>
<span class="sourceLineNo">492</span>     */<a name="line.492"></a>
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<span class="sourceLineNo">494</span>        if (this.oldestAt == 0) {<a name="line.494"></a>
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<span class="sourceLineNo">497</span>        // else  [implicit here]<a name="line.497"></a>
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<span class="sourceLineNo">504</span><a name="line.504"></a>
<span class="sourceLineNo">505</span>    /**<a name="line.505"></a>
<span class="sourceLineNo">506</span>     * Returns the actual index to a time offset by "delta" from newestAt.<a name="line.506"></a>
<span class="sourceLineNo">507</span>     *<a name="line.507"></a>
<span class="sourceLineNo">508</span>     * @param delta  the delta.<a name="line.508"></a>
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<span class="sourceLineNo">675</span>     * @param  newData  the data<a name="line.675"></a>
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<span class="sourceLineNo">702</span>     *<a name="line.702"></a>
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<span class="sourceLineNo">711</span>     *<a name="line.711"></a>
<span class="sourceLineNo">712</span>     * @return The oldest time.<a name="line.712"></a>
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<span class="sourceLineNo">720</span>     *<a name="line.720"></a>
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<span class="sourceLineNo">723</span>     *<a name="line.723"></a>
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</pre>
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